/*
 * Copyright 2016 Red Hat, Inc. and/or its affiliates
 * and other contributors as indicated by the @author tags.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.keycloak.events.log;

import java.util.Arrays;
import java.util.Comparator;
import java.util.List;
import org.jboss.logging.Logger;
import org.keycloak.Config;
import org.keycloak.events.EventListenerProvider;
import org.keycloak.events.EventListenerProviderFactory;
import org.keycloak.models.KeycloakSession;
import org.keycloak.models.KeycloakSessionFactory;
import org.keycloak.provider.ProviderConfigProperty;
import org.keycloak.provider.ProviderConfigurationBuilder;

/**
 * @author <a href="mailto:sthorger@redhat.com">Stian Thorgersen</a>
 */
public class JBossLoggingEventListenerProviderFactory implements EventListenerProviderFactory {

    public static final String ID = "jboss-logging";

    private static final Logger logger = Logger.getLogger("org.keycloak.events");

    private Logger.Level successLevel;
    private Logger.Level errorLevel;

    @Override
    public EventListenerProvider create(KeycloakSession session) {
        return new JBossLoggingEventListenerProvider(session, logger, successLevel, errorLevel);
    }

    @Override
    public void init(Config.Scope config) {
        successLevel = Logger.Level.valueOf(config.get("success-level", "debug").toUpperCase());
        errorLevel = Logger.Level.valueOf(config.get("error-level", "warn").toUpperCase());
    }

    @Override
    public void postInit(KeycloakSessionFactory factory) {

    }

    @Override
    public void close() {
    }

    @Override
    public String getId() {
        return ID;
    }

    @Override
    public List<ProviderConfigProperty> getConfigMetadata() {
        String[] logLevels = Arrays.stream(Logger.Level.values())
                .map(Logger.Level::name)
                .map(String::toLowerCase)
                .sorted(Comparator.naturalOrder())
                .toArray(String[]::new);
        return ProviderConfigurationBuilder.create()
                .property()
                .name("success-level")
                .type("string")
                .helpText("The log level for success messages.")
                .options(logLevels)
                .defaultValue("debug")
                .add()
                .property()
                .name("error-level")
                .type("string")
                .helpText("The log level for error messages.")
                .options(logLevels)
                .defaultValue("warn")
                .add()
                .build();
    }
}
